Estimating of Reference Evapotranspiration Using Cropwat Model at Guixi In Jiangxi Province

论文发布时间：[2009-11-24] 范文大全编辑：Voive.net

所有作者：娜哈拉.阿布达拉张秀菊亚当.伊斯哈格嘎玛阿多拉.胡森

作者单位：河海大学水文、水资源与水利工程国家重点实验室

论文摘要：This paper estimate reference crop evapotranspriation in Guixi Jiang xi province - china using CROPWAT model。 Determination of evapotranspration (ET) is important in application such as irrigation design， irrigation scheduling， water resource management， hydrology and cropping systems modeling。 The penman – montieth formulation is regarded as a good estimator for a wide variety of climatic conditions。 The United Nations food agriculture organization (FAO) adopted the P-M method as global standard to estimate reference crop (ET０) from meteorological data。 Based on the intensive study of this paper， monthly meteorological weather data recorded from １９９８ to ２００８ were used to obtain the result。 The ETO data were calculated for each parameter and the obtained results were compared。 Reference crop evapo-transpiration (ET０) and monthly effective rainfall was calculated using Cropwat model。 The study detects that penman –montieth is the best method to estimate ET０ because of its inclusion of parameters in calculation。

关键词： Evaportranspiration (ET0) CROPWAT Climatic parameters

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